<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>模型管理</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 搜索筛选 -->
    <el-form :inline="true" :model="formInline" class="models-search">

      <el-form-item label="搜索：">
        <el-input size="small" v-model="formInline.dataName" placeholder="输入数据集名称"></el-input>
      </el-form-item>

      <el-form-item>
        <el-button size="small" type="primary" icon="el-icon-search" @click="search">搜索</el-button>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="handleEdit">添加</el-button>
      </el-form-item>
    </el-form>
    <!--列表-->
    <el-table :data="listData" highlight-current-row v-loading="loading" element-loading-text="拼命加载中" style="width: 100%;">
      <el-table-column align="center" type="selection" width="60">
      </el-table-column>
      <el-table-column sortable prop="id" label="编号" width="100">
      </el-table-column>
      <el-table-column sortable prop="dataName" label="名称" width="150">
      </el-table-column>
      <el-table-column sortable prop="modelId" label="模型id" width="100">
      </el-table-column>
      <el-table-column sortable prop="path" label="路径" width="200">
      </el-table-column>
      <el-table-column sortable prop="type" label="格式" width="120">
      </el-table-column>
      <el-table-column sortable prop="dataDesc" label="简介" width="200">
      </el-table-column>
      <el-table-column sortable prop="updateTime" label="修改时间" width="150">
      </el-table-column>
      <el-table-column align="center" label="操作" min-width="200">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button size="mini" type="danger" @click="deleteModel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <Pagination v-bind:child-msg="pageparm" @callFather="callFather"></Pagination>
    <!-- 编辑界面 -->
    <el-dialog :title="title" :visible.sync="editFormVisible" width="30%" @click='closeDialog("edit")'>
      <el-form label-width="120px" :model="editForm" ref="editForm" :rules="rules">
        <el-form-item label="选择相关模型" prop="modelId">
          <el-select v-model="editForm.modelId" placeholder="Select" style="width: 300.8px">
            <el-option
              v-for="item in modelList"
              :key="item.id"
              :label="item.modelName"
              :value="item.id"
            >
            <span style="float: left">{{ item.modelName }}</span>
            <span
              style="
                float: right;
                color: var(--el-text-color-secondary);
                font-size: 13px; "
              >{{ item.id }}</span
            >
          </el-option>
        </el-select>
        </el-form-item>
        <el-form-item label="数据集名称" prop="dataName">
          <el-input size="small" v-model="editForm.dataName" auto-complete="off" placeholder="请输入数据集名称"></el-input>
        </el-form-item>
        <el-form-item label="上传数据集" prop="file">
        <el-upload
          ref="upload"
          action=""
          :auto-upload="false"
          :file-list="fileList"
          :limit="1"
          :on-exceed="handleExceed"
          :on-change="handleChange"
          :on-remove="handleRemove"
          :on-preview="handlePreview"
          :on-success="handleSuccess"
          :http-request="httpRequest">
          <el-button size="small" type="primary" >选择文件</el-button>
          <el-button size="small" type="success" @click.stop="uploadData" >上传文件</el-button>
        </el-upload>
      </el-form-item>
        <el-form-item label="数据集路径" prop="path">
          <el-input size="small" v-model="editForm.path" auto-complete="off" placeholder="请上传数据集" :disabled="true"></el-input>
        </el-form-item>
        <el-form-item label="数据集文件类型" prop="type">
          <el-input size="small" v-model="editForm.type" auto-complete="off" placeholder="请输入文件类型" :disabled="true"></el-input>
        </el-form-item>
        <el-form-item label="数据集简介" prop="dataDesc">
          <el-input size="small" v-model="editForm.dataDesc" auto-complete="off" placeholder="请输入简介"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click='closeDialog("edit")'>取消</el-button>
        <el-button size="small" type="primary" :loading="loading" class="title" @click="submitForm('editForm')">保存</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  ModelAllList,
  ModelDataList,
  FileUplod,
  ModelDataSave,
  ModelDataDetail,
  ModelDataDelete,
} from '../../api/userMG'
import Pagination from '../../components/Pagination'
export default {
  data() {
    return {
      fileList: [],
      lastFile:[],
      uploadAction: 'http://192.168.110.148:10001/modelDataInfo/upload',
      nshow: true, //switch开启
      fshow: false, //switch关闭
      loading: false, //是显示加载
      editFormVisible: false, //控制编辑页面显示与隐藏
      menuAccessshow: false, //控制数据权限显示与隐藏
      title: '添加',
      editForm: {
        id: '',
        modelId:'',
        dataName: '',
        path: '',
        type:'',
        dataDesc: '',
        // token: localStorage.getItem('logintoken')
      },
      // rules 表单验证
      rules: {
        modelId: [
          { required: true, message: '选择模型', trigger: 'blur' }
        ],
        dataName: [
          { required: true, message: '数据集名称', trigger: 'blur' }
        ],
        path: [
          { required: true, message: '请上传文件', trigger: 'blur' }
        ],
        type: [
          { required: true, message: '请输入文件类型', trigger: 'blur' }
        ],
        dataDesc: [
          { required: false, message: '请输入简介', trigger: 'blur' }
        ]
      },
      formInline: {
        pageNum: 1,
        pageSize: 10,
        dataName:''
      },
      // 删除
      seletedata: {
        ids: '',
        token: localStorage.getItem('logintoken')
      },
      userparm: [], //搜索权限
      listData: [], //数据集
      modelList:[],//模型列表
      // 数据权限
      RoleRight: [],
      RoleRightProps: {
        children: 'children',
        label: 'name'
      },
      // 选中
      checkmenu: [],
      //参数role
      saveroleId: '',
      // 分页参数
      pageparm: {
        currentPage: 1,
        pageSize: 10,
        total: 1
      }
    }
  },
  // 注册组件
  components: {
    Pagination
  },
  /**
   * 数据发生改变
   */

  watch: {},

  /**
   * 创建完毕
   */

  created() {
    this.getdata(this.formInline)

  },

  /**
   * 里面的方法只有被调用才会执行
   */

  methods: {
    handleExceed(files, fileList) {
    this.$message.warning(`当前限制选择 1 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
  },
    handleChange(file) {
      // 在文件上传之前执行的操作，比如检查文件大小、格式等
      // 如果返回false或者返回Promise且被reject，则停止上传
      const isLt200M = file.size / 1024 / 1024 < 200;
      if (!isLt200M) {
        this.$message.error('上传文件大小不能超过 200MB!');
      }
      this.fileList[0].name=file.name
      console.log(isLt200M)
      return isLt200M;
    },
    
    handlePreview(file) {
      // 预览文件的操作
      console.log('预览文件: ', file.name);
      fetch('http://192.168.110.148:10001/modelDataInfo/download?fileName='+file.name+'&modelId='+this.editForm.modelId)
      .then(response => {
          if(response.ok) {
              // 如果服务器返回了200状态码，那么下载文件
              let link = document.createElement('a');
              link.href = response.url;
              link.download = file.name;
              link.click(); // 触发点击事件来下载文件
              this.$message.success('文件正在下载！');
              console.log(response)
          } else {
              // 如果服务器返回了其他状态码，那么显示错误消息
              this.$message.error('文件不存在或失效，请重新上传！');
          }
      })
      .catch(error => {
          console.log('发生错误: ', error)
          this.$message.error('文件不存在或失效，请重新上传！');
      });
    },
    handleSuccess() {
      // 文件上传成功时的操作
      console.log('文件上传成功');
    },
    handleRemove(file) {
      // 移除文件的操作
      console.log('移除文件: ', file.name);
      this.fileList[0].name=null
      this.fileList[0].url=null

    },
    httpRequest(param) {
      const formData = new FormData();
      formData.append('file', param.file);
      formData.append('modelId', this.editForm.modelId);
      formData.append('id', this.editForm.id);
      FileUplod(formData).then(res=>{
        if (res.code==200) {
            this.loading = false
            this.editForm.path=res.data[2]
            this.editForm.type=res.data[1],
            this.$message.success(res.msg)
            this.fileList=[{name: this.editForm.path.split("/").pop(),url:this.editForm.path,}]
            console.log(this.fileList[0])
          }
        else{
          this.loading = false
            this.$message.error(res.msg)
        }
      }).catch(err => {
          this.loading = false
          this.$message.error('上传文件失败，请稍后再试！')
        })
    },

    uploadData(){
      this.$refs.upload.submit()
    },
    // 获取数据列表
    getdata(parameter) {
      ModelAllList()
        .then(res => {
          if (res.code==200) {
            this.loading = false
            this.modelList = res.data
          }
        })
        .catch(err => {
          this.loading = false
          this.$message.error('获取模型信息失败，请稍后再试！')
        })
      ModelDataList(parameter)
        .then(res => {
          this.loading = false
          if (res.code!=200) {
            this.$message({
              type: 'info',
              message: res.msg
            })
          } else {
            this.loading = false
            this.listData = res.data.rows
            // 分页赋值
            this.pageparm.currentPage = this.formInline.pageNum
            this.pageparm.pageSize = this.formInline.pageSize
            this.pageparm.total = res.data.records
          }
        })
        .catch(err => {
          this.loading = false
          this.$message.error('获取列表失败，请稍后再试！')
        })
    },
    
    // 分页插件事件
    callFather(parm) {
      this.formInline.pageNum = parm.currentPage
      this.formInline.pageSize = parm.pageSize
      this.formInline.dataName = typeof(this.formInline.dataName)==='undefined'?'':this.formInline.dataName
      this.getdata(this.formInline)
    },
    // 搜索事件
    search() {  
      this.formInline.dataName = typeof(this.formInline.dataName)==='undefined'?'':this.formInline.dataName
      this.getdata(this.formInline)
    },
    //显示编辑界面
    handleEdit: function(index, row) {
      this.editFormVisible = true
      if (row != undefined && row != 'undefined') {
        this.title = '修改'
        const defaultFileList=[{name: row.path.split("/").pop(),url:row.path,}]
        this.fileList=defaultFileList
        this.editForm.id=row.id
        this.editForm.modelId=row.modelId,
        this.editForm.dataName=row.dataName,
        this.editForm.path=row.path,
        this.editForm.type=row.type,
        this.editForm.dataDesc= row.dataDesc
      } else {
        this.title = '添加'
        this.fileList=[]
        this.editForm.modelId='',
        this.editForm.dataName= '',
        this.editForm.path= '',
        this.editForm.type='',
        this.editForm.dataDesc= ''
        delete this.editForm.id
      }
    },

    // 编辑、增加页面保存方法
    submitForm(editData) {
      this.$refs[editData].validate(valid => {
        if (valid) {
          this.editFormVisible = false
          this.loading = false
          console.log(this.editForm.path.split("/").pop())
          console.log(this.fileList[0].name)
          if(this.editForm.path.split("/").pop()==this.fileList[0].name&&this.fileList.length!=0){
            ModelDataSave(this.editForm)
              .then(res => {
                // this.editFormVisible = false
                this.loading = false
                if (res.code==200) {
                  this.getdata(this.formInline)
                  this.$message({
                    type: 'success',
                    message: '保存成功！'
                  })
                } else {
                  this.$message({
                    type: 'info',
                    message: res.msg
                  })
                }
              })
              .catch(err => {
                this.editFormVisible = false
                this.loading = false
                this.$message.error('保存失败，请稍后再试！')
              })
            }
            else{
              this.$message.error('保存失败，请上传文件！')
            }
        } else {
          return false
        }
      })
    },
    // 删除
    deleteModel(index, row) {
      this.$confirm('确定要删除吗?', '信息', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          console.log(row)
          ModelDataDelete(row)
            .then(res => {
              console.log(res)
              if (res.code==200) {
                this.$message({
                  type: 'success',
                  message: '数据集已删除！'
                })
                this.getdata(this.formInline)
              } else {
                this.$message({
                  type: 'success',
                  message: res.msg
                })
              }
            })
            .catch(err => {
              this.loading = false
              this.$message.error('删除失败，请稍后再试！')
            })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    
    // 选中菜单
    changemenu(arr) {
      let change = []
      for (let i = 0; i < arr.length; i++) {
        if (arr[i].checked) {
          change.push(arr[i].id)
        }
      }
      this.checkmenu = change
    },
    // tree 递归
    changeArr(list) {
      var temptree = [],
        tree = [],
        items = []
      for (var i in list) {
        if (!temptree[list[i].id]) {
          var trow = {
            id: list[i].id,
            pId: list[i].pId,
            name: list[i].name,
            open: list[i].open,
            checked: list[i].checked,
            children: []
          }
          temptree[list[i].id] = trow
          items.push(trow)
        }
        if (list[i].uid > 0) {
          temptree[list[i].id]['children'].push({
            id: list[i].id,
            pId: list[i].pId,
            name: list[i].name,
            open: list[i].open,
            checked: list[i].checked,
            children: []
          })
        }
      }

      for (var j in items) {
        if (temptree[items[j].pId]) {
          temptree[items[j].pId]['children'].push(temptree[items[j].id])
        } else {
          tree.push(temptree[items[j].id])
        }
      }
      temptree = null
      items = null
      return tree
    },
    
    // 关闭编辑、增加弹出框
    closeDialog(dialog) {
      if (dialog == 'edit') {
        this.editFormVisible = false
      } else if (dialog == 'perm') {
        this.menuAccessshow = false
      }
    }
  }
}
</script>

<style scoped>
.models-search {
  margin-top: 20px;
}
.userRole {
  width: 100%;
}
</style>

 